<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
	</head>
	<body>
		<button>按钮1</button>
		<button>按钮2</button>
		<button>按钮3</button>
		<button>按钮4</button>
		<button>按钮5</button>
		<button>按钮6</button>
		<button>按钮7</button>
		<button>按钮8</button>
		<button>按钮9</button>
		<button>按钮10</button>
		<script type="text/javascript">
			let btns = document.querySelectorAll("button")
			for (var i = 0; i < btns.length; i++) {
				btns[i].addEventListener("click",function(){
					console.log(`你${event.type}了${event.target.innerHTML}`)
				})
				btns[i].addEventListener("dblclick",function(){
					console.log(`你${event.type}了${event.target.innerHTML}`)
				})
				btns[i].addEventListener("mouseenter",function(){
					console.log(`你${event.type}了${event.target.innerHTML}`)
				})
			}
			
			
		</script>
	</body>
</html>
